1 files changed, 20 insertions, 0 deletions
diff --git a/plugins/FilterPlugin.py b/plugins/FilterPlugin.py
new file mode 100644
index 0000000..0f2b500
--- /dev/null
+++ b/plugins/FilterPlugin.py
@@ -0,0 +1,20 @@
+from app.Item import Item
+from app.PluginInterface import Params, PluginInterface
+from app.utils import get_param
+
+
+class Plugin(PluginInterface):
+    def __init__(self, id: str, params: Params) -> None:
+        super().__init__(id, params)
+        self.filter_expr: str = get_param("filter_expr", params)
+        print(f"[FilterPlugin#{self.id}] initialized")
+
+    def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
+        print(f"[FilterPlugin#{self.id}] process called, n={len(items)}")
+        if source_id is None:
+            raise Exception(f"[FilterPlugin#{self.id}] can not be scheduled")
+
+        expr = f"filter(lambda item: {self.filter_expr}, input_feed)"
+        ret = list(eval(expr, {"input_feed": items}))
+        print(f"[FilterPlugin#{self.id}] process returning items, n={len(ret)}")
+        return ret